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Études du changement de saveur des neutrinos muons dans le mécanisme d'oscillation quantique avec l'expérience T2K au Japon

Abstract : The T2K experiment built in Japan is a long baseline neutrino oscillation experiment. It uses a neutrino beam produced by a particle accelerator to measure the parameters describing this phenomenum, and in particular the yet unknown mixing angle theta13. This thesis presents some of the results obtained from the first years of data taking of the T2K experiment. After presenting the theory of neutrino oscillations and the experiment, we will focus on the on-axis near detector of T2K, the INGRID detector. We will present the studies done for calibration of this detector after its construction, to demonstrate that it is working well and stably in time. We will then present the measurements done to characterize the muonic neutrino beam, in particular to measure its direction as well as its shape in the transverse plane. The second main topic of this thesis is a new detector, added as a first upgrade to the INGRID detector, the Proton Module, which will be used to study more in details the interactions occuring on the axis of the beam. We will review the motivations and studies that led to its design and construction. In the last part, we will present the results obtained with the first data taken by this module.
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https://pastel.archives-ouvertes.fr/pastel-00612870
Contributor : Christophe Bronner <>
Submitted on : Monday, August 1, 2011 - 11:14:50 AM
Last modification on : Wednesday, March 27, 2019 - 4:40:11 PM
Long-term archiving on: : Wednesday, November 2, 2011 - 2:21:13 AM

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Christophe Bronner. Études du changement de saveur des neutrinos muons dans le mécanisme d'oscillation quantique avec l'expérience T2K au Japon. Physique des Hautes Energies - Expérience [hep-ex]. Ecole Polytechnique X, 2011. Français. ⟨pastel-00612870⟩

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